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α-adrenergic blocking agent

 

Definition: a class of drugs that competes with α-adrenergic agonists for available receptor sites; some compete for both α1 and α2 receptors (phentolamine, phenoxybenzamine hydrochloride), whereas others are primarily either α1 (prazosin, terazosin) or α2 receptor blocking agents (yohimbine).

Synonym(s): α-adrenoceptor antagonist, alpha-blocker

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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